#include <stdio.h>

#define MSG "I'm special"

int main(void)
{
    char ar[] = MSG;
    const char * pt = MSG;

    printf("  address of \"I'm special\": %p\n", "I'm special");
    printf("                address ar: %p\n", ar);
    printf("                address pt: %p\n", pt);
    printf("               address MSG: %p\n", MSG);
    printf("  address of \"I'm special\": %p\n", "I'm special");

    return 0;
}